The Structure of the Cell Membrane Resting Membrane Potential

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The main components of the intra- and extracellular space • water • Ions – Kations (K + , Na + , Ca 2+ ) – Anions (Cl - , H 2PO 4 − and HPO4 2− ions) • proteins – Mainly intracellular localisation – Negatively charged polyvalent (having more than one valence) macromolecules (pH! – isoelectric point)
Membrane potential The electrical potential difference (voltage) across a cell's plasma membrane. U resting=-30_-100 mV Microelectrode 0V Intracellular space Extracellular space
Page 1 and 2: The Structure of the Cell Membrane
Page 3 and 4: Irving Langmuir 1881 - 1957 America
Page 6 and 7: Lipid bilayer • twice as much lip
Page 8 and 9: Structure of the cell membrane Flip
Page 12 and 13: Ionic concentrations inside and out
Page 14 and 15: Electrical potential ● Electric p
Page 16 and 17: Bernstein’s potassium hypothesis
Page 18 and 19: Bernstein’s potassium hypothesis
Page 20 and 21: Walther Hermann Nernst German physi
Page 22 and 23: Equlibrium (resting) condition NzFE
Page 24 and 25: Nernst equation E = RT zF ln X −
Page 26 and 27: What happens if the cell membrane i
Page 29 and 30: Donnan rule of equilibrium • Diff
Page 31 and 32: Goldman-Hodgkin-Katz Constant field
Page 33 and 34: Goldman equation The membrane poten

The Structure of the Cell Membrane Resting Membrane Potential

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